Computer keyboard



FIG. 1 is a front elevation view of our design for a computer keyboard.

FIG. 2 is a rear elevation view thereof.

FIG. 3 is a left side view thereof.

FIG. 4 is a right side view thereof.

FIG. 5 is a top plan view thereof.

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view thereof. 

The ornamental design for a computer keyboard, as shown and described. 